fixes bug 1119940 - TypeError on devup.py for  about_first_migration()
fixes bug 1119940 - TypeError on devup.py for  about_first_migration()

lcamacho/airmozilla,Nolski/airmozilla,chirilo/airmozilla,bugzPDX/airmozilla,tannishk/airmozilla,chirilo/airmozilla,mythmon/airmozilla,anjalymehla/airmozilla,tannishk/airmozilla,kenrick95/airmozilla,a-buck/airmozilla,anu7495/airmozilla,zofuthan/airmozilla,bugzPDX/airmozilla,blossomica/airmozilla,ehsan/airmozilla,zofuthan/airmozilla,tannishk/airmozilla,mozilla/airmozilla,EricSekyere/airmozilla,mozilla/airmozilla,blossomica/airmozilla,Nolski/airmozilla,bugzPDX/airmozilla,lcamacho/airmozilla,chirilo/airmozilla,bugzPDX/airmozilla,ehsan/airmozilla,mythmon/airmozilla,Nolski/airmozilla,mythmon/airmozilla,EricSekyere/airmozilla,anu7495/airmozilla,kenrick95/airmozilla,chirilo/airmozilla,mozilla/airmozilla,Nolski/airmozilla,lcamacho/airmozilla,lcamacho/airmozilla,lcamacho/airmozilla,Nolski/airmozilla,blossomica/airmozilla,chirilo/airmozilla,kenrick95/airmozilla,tannishk/airmozilla,EricSekyere/airmozilla,a-buck/airmozilla,anu7495/airmozilla,kenrick95/airmozilla,anjalymehla/airmozilla,ehsan/airmozilla,EricSekyere/airmozilla,mozilla/airmozilla,zofuthan/airmozilla,anjalymehla/airmozilla,anjalymehla/airmozilla,a-buck/airmozilla,anu7495/airmozilla,tannishk/airmozilla,anu7495/airmozilla,blossomica/airmozilla,mythmon/airmozilla,mythmon/airmozilla,anjalymehla/airmozilla,ehsan/airmozilla,zofuthan/airmozilla,kenrick95/airmozilla,EricSekyere/airmozilla,zofuthan/airmozilla,ehsan/airmozilla,a-buck/airmozilla